File: VWorldToScr.c

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#include "Vlib.h"

/*
 *  Transform a 3-D point in the world system into viewable
 *  coordinates.  The function returns 1 if the x,y information is
 *  displayable (probably displayable, that is).
 */

int
VWorldToScreen(Viewport * v, VPoint * p, int *x, int *y)
{

	VPoint    eyept;

	VTransform(p, &(v->eyeSpace), &eyept);
	return VEyeToScreen(v, &eyept, x, y);
}